[BUG] Claude Desktop - Message ordering reversed after Opus 4.7 update

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Just noting a UI bug that appeared yesterday with the Opus 4.7 update in a Windows 10 Pro 'Claude for Windows' v 1.1.5749 (ecf3d9) instance. Chat responses are appearing above my prompts, out of order. See screenshot. Not stopping work, just a quality of life bug. Thanks!

<img width="701" height="698" alt="Image" src="https://github.com/user-attachments/assets/7b873892-1b45-46a6-a57a-cec58b127ab5" />

What Should Happen?

Claude responses should appear below my last prompt.

Error Messages/Logs

Steps to Reproduce

In a Claude Code session in Windows Claude Desktop, make a prompt, and the response will often appear above the users prompt, not below. (see screenshot attached above)

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

v2.1.104

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Other

Additional Information

_No response_